Fiberglass Box - Need help with port size

[redphoenix 10+ year member]

Im using a Diamond D6.

http://www.diamondaudio.com/products/pdfs/D6%20Woofer%20Tech%20Sheet2.pdf

Specs ^

My box when its done should yield me 1.3cu. I wanted to port it, using a round port. I just dont really understand the calculations on how to determine the size, maybe you guys can help! I looked at the specs, but 24" long is really long.

Im trying to tune for 35hz, what do you think the size of the port should be?

Click to read more...

 

[bjfish11 5,000+ posts]

go here, psp-inc.com

use their port calculator. It will have to be pretty long since you have such a small internal volume.

 

[redphoenix 10+ year member]

why thank you.

so does 3x10.77 or 2x4.85 sound right?

 

[bjfish11 5,000+ posts]

Id go with a 4" port. Looks like thats what they reccomend for port area. I got 19.34 inches with a 4" flared port.

 

[redphoenix 10+ year member]

can round ports be bent 90 degrees? I will NOT be able to fit that large of a port if not.

http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Partnumber=268-334